Anna Karenina by Part 4 Chapter 22 Page 9

Arkadyevitch, Alexey Alexandrovitch had thought over thousands of times. And, so far from being simple, it all seemed to him utterly impossible. Divorce, the details of which he knew by this time, seemed to him now out of the question, because the sense of his own dignity and respect for religion forbade his taking upon himself a fictitious charge of adultery, and still more suffering his wife, pardoned and beloved by him, to be caught in the fact and put to public shame. Divorce appeared to him impossible also on other still more weighty grounds.

What would become of his son in case of a divorce? To leave him with his mother was out of the question. The divorced mother would have her own illegitimate family, in which his position as a stepson and his education would not be good. Keep him with him? He knew that would be